9 Cornwall Grove, Hounslow, London, W4 2LB
About 9 Cornwall Grove
9 Cornwall Grove is a three-bedroom semi-detached house in Hounslow, London, London (W4 2LB). It has a recorded floor area of 99 m² (around 1066 sq ft), construction records dating it to before 1900 and council tax band F. The latest certificate (December 2017) shows a C (score 70). The recommended improvements would push it to B (score 88).
At 99 m² the property is well over the postcode median (72 m² across 49 EPCs), placing it in the larger end of the local stock. Its energy rating outperforms most of the postcode (better than 76% of similar EPCs). 2 planning records sit against the property, 2 approved, 0 refused. Past consents include an extension, meaningful when judging how the property has evolved. Today's modelled estimate of £1,125,000 is 23% above the 2018 sale price. On a £-per-square-foot basis, the last sale (£859/sq ft) was about 130.5% above the typical sold price in the postcode. Last sold in May 2018, so it's been off the market for around 8 years.
What this property has
Inside
- Bedrooms3
- Bathrooms2
Building
- RefurbishedYes
Everything you need to know about 9 Cornwall Grove
The true value, the hidden risks and the full sale history, in one report.
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Energy performance
EPC Rating
Get a survey for this property
Level 3 Building Survey
Because the property was built before 1919 and has solid (non-cavity) walls, we believe a Level 3 building survey should be considered.
From £1,645 · Includes VAT
Planning history
9 Cornwall Grove has an approved single-storey extension on the planning record.
2 applications on record at 9 Cornwall Grove, Hounslow, London, W4 2LB
- May 2018ExtensionFullOutcome in report
Extension: Single storey
Erection of a single storey rear extension and a single storey side infill extension
- Documents
- 13 docs on file
- Reference
- P/2018/1327
- More recent applications — locked
- OutlineMay 2018Decision
Unlock 9 Cornwall Grove, Hounslow, London, W4 2LB's full planning history
You're seeing the shape of it. The report has the substance.
- Every decision — granted, refused or withdrawn (2 on record)
- All 2 applications on this property in full, plus 5 notable nearby
- The 23 documents, officer reports & conditions
- What the pattern means for extending or converting here
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Sales history & valuation
9 Cornwall Grove valuation sits well clear of the typical sold price in this postcode.
£1,125,000
Modelled from EPC, postcode comparables.
£915,000
Recorded with HM Land Registry.
Sales timeline
13 May 2018Most recent
£915,000
Median price across the last 5 sales in W4 2LB: £1,100,000 (2025–2023).
Nearby sales in W4 2LB
40 Cornwall Grove, Hounslow, London, W4 2LB
Sold Jun 2025
£1,355,00035 Cornwall Grove, Hounslow, London, W4 2LB
Sold May 2025
£1,650,00026 Cornwall Grove, Hounslow, London, W4 2LB
Sold Jun 2024
£515,000Ground Floor Flat, 30 Cornwall Grove, London, W4 2LB
Sold Aug 2023
£475,00023 Cornwall Grove, Hounslow, London, W4 2LB
Sold Apr 2023
£1,100,000
Versus other Cornwall Grove homes
CO₂ Emissions for 9 Cornwall Grove runs comfortably ahead of the street norm.
Price per m²
£9,242
Street avg £7,360
Floor Area
99 m²
Street avg 136 m²
Habitable Rooms
5 rooms
Street avg 6 rooms
CO₂ Emissions
3.2 t/year
Street avg 5.7 t/year
Everything you need to know about 9 Cornwall Grove
The true value, the hidden risks and the full sale history, in one report.
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The neighbourhood at a glance
Rail-style transport is unusually close for this postcode.
Crime
10/mo
Rising year-on-year across the wider district.
Nearest stop
0.1 km
Dorchester Grove — bus stop.
Closest school
0.3 km
The William Hogarth Primary School. 58 schools nearby.
Go deeper on the local area
A Local Area report breaks down crime, transport links, schools and air quality in depth.
Road noise across the postcode

Daytime· 07:00 – 23:00
57.0dB

Night-time· 23:00 – 07:00
49.4dB









